{"product_id":"bently-nevada-330709-000-040-90-12-00-3300-xl-11-mm-proximity-probe","title":"Bently Nevada 330709-000-040-90-12-00 3300 XL 11 mm Proximity Probe","description":"\u003ch2\u003eOverview of the Bently Nevada 330709-000-040-90-12-00\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 330709-000-040-90-12-00 is a key component of the 3300 XL 11 mm Proximity Probe series. Designed for critical rotating machinery monitoring, this probe delivers precise displacement and vibration measurements. Its robust construction and wide temperature range make it suitable for harsh industrial environments. Common failure modes such as cable fatigue or seal leakage are mitigated through careful material selection and strict torque specifications.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe following table summarizes the essential parameters for the Bently Nevada 330709-000-040-90-12-00:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe dc resistance (9 m length)\u003c\/td\u003e\n\u003ctd\u003e8.5 ± 1.1 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe tip material\u003c\/td\u003e\n\u003ctd\u003ePolyphenylene sulfide (PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe case material\u003c\/td\u003e\n\u003ctd\u003eAISI 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe cable specification\u003c\/td\u003e\n\u003ctd\u003e75 Ω triaxial, FEP insulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal probe length\u003c\/td\u003e\n\u003ctd\u003e9.0 meters (29.5 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe case thread\u003c\/td\u003e\n\u003ctd\u003eM16 x 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum thread engagement\u003c\/td\u003e\n\u003ctd\u003e24 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended probe case torque\u003c\/td\u003e\n\u003ctd\u003e21.1 N·m (187 in·lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum probe case torque\u003c\/td\u003e\n\u003ctd\u003e63.3 N·m (560 in·lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector-to-connector torque (max)\u003c\/td\u003e\n\u003ctd\u003e0.565 N·m (5 in·lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum bend radius (cable)\u003c\/td\u003e\n\u003ctd\u003e25.4 mm (1.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature range\u003c\/td\u003e\n\u003ctd\u003e-52°C to +177°C (-62°F to +351°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-talk flat target diameter (min)\u003c\/td\u003e\n\u003ctd\u003e30.5 mm (1.2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-talk shaft diameter (min)\u003c\/td\u003e\n\u003ctd\u003e152 mm (6.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eInstallation and Setup Guidance\u003c\/h2\u003e\u003cp\u003eProper installation of the Bently Nevada 330709-000-040-90-12-00 is critical to avoid premature failure. Follow these steps:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread engagement:\u003c\/strong\u003e Ensure the M16x1.5 thread engages no more than 24 mm into the mounting hole. Exceeding this can damage the probe case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque application:\u003c\/strong\u003e Tighten the probe case to 21.1 N·m (187 in·lb). Do not exceed 63.3 N·m (560 in·lb). For the miniature coaxial ClickLoc connector, use only finger-tight torque; maximum 0.565 N·m (5 in·lb).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable routing:\u003c\/strong\u003e Maintain a minimum bend radius of 25.4 mm to prevent internal cable damage. Secure the FluidLoc cable to avoid strain on the connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget considerations:\u003c\/strong\u003e For reliable cross-talk performance, use a flat target of at least 30.5 mm diameter or a shaft of at least 152 mm diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMaintenance and Reliability\u003c\/h2\u003e\u003cp\u003eThe Bently Nevada 330709-000-040-90-12-00 is designed for long service life, but environmental factors can affect reliability. Regularly inspect the cable for cuts or abrasions. The probe operates reliably from -52°C to +177°C; however, exposing it to temperatures below -34°C (-30°F) may compromise the pressure seal. The temperature schedule for different EPL classifications (Ga, Gc, Dc) is provided in the datasheet. For most industrial applications, the T2 classification applies (ambient -55°C to +177°C). Periodically verify the probe dc resistance (8.5 ± 1.1 ohms) to detect early cable degradation.\u003c\/p\u003e\u003ch2\u003eTroubleshooting Common Issues\u003c\/h2\u003e\u003cp\u003eWhen using the Bently Nevada 330709-000-040-90-12-00, watch for these typical problems:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh or erratic resistance readings:\u003c\/strong\u003e Measure the dc resistance between center and outer conductors. If outside 8.5 ± 1.1 ohms, inspect the cable for breaks or moisture ingress. The 75 Ω triaxial cable is sensitive to damage at the bend points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal noise or drift:\u003c\/strong\u003e Ensure the probe tip is clean and the target surface is free of debris. Cross-talk can occur if the target is smaller than the recommended minimum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical damage:\u003c\/strong\u003e Over-torquing the connector or probe case can crack the PPS tip or strip threads. Always use a torque wrench and follow the specified values.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature effects:\u003c\/strong\u003e If the probe is exposed to rapid thermal cycling, the internal seal may fail. Avoid temperatures below -34°C during operation or storage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor further assistance or to order the Bently Nevada 330709-000-040-90-12-00, contact UBEST Automation at ubest101. We stock genuine parts for fast delivery.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default","offer_id":44404347535459,"sku":"330709-000-040-90-12-00","price":242.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/330709_20_281_29_0fd85a69-1916-40a8-8175-22ffe3af346f.jpg?v=1785133113","url":"https:\/\/www.plcsourcepro.com\/products\/bently-nevada-330709-000-040-90-12-00-3300-xl-11-mm-proximity-probe","provider":"PLC Source PRO","version":"1.0","type":"link"}